Physical ScienceI have a really good grade in this class and I need to keep it that way. I am only asking to have my answers checked. I would like to graduate with honors so please help if you can. 1. A car traveling along the highway needs a certain amount of force exerted on it to stop. ...
January 2, 2011

Physical Science 2The attraction or pull of a person's body toward the earth, by the earth is called weight. The reaction to this force is the: My answer is B A. earth's surface pushing against the person's body B. person's body pulling on the earth C. person's body pushing ...
December 31, 2010

Physical ScienceA 75 kg astronaut in space pushes against a 200 kg anvil. When the astronaut lets go of the anvil while pushing it: My answer is D (Just checking my work) A. both astronaut and anvil accelerate in opposite directions at the same rate B. neither the astronaut nor the anvil will...
December 31, 2010

science how many grams of water do you have if it takes 3000j to raise the temperature from 21c to 100c
December 9, 2010

windows xpEvery time that I turn on my laptop it tells me to type in my password.But i am not suppose to type my passowrd when it turn. My setting are to load up without typing my password. Can you help me to stop it from typing my password to get back to normal.
November 6, 2010

mathA college student invested part of a $25,000 inheritance at 7% interest and the rest at 6%. If his annual interest is $1,671 how much did he invest at 6%? If I told you the answer is $8,000, in your own words, using complete sentences, explain how you would solve the problem.
September 29, 2010

StatisticsA certain company makes 12-volt car batteries. After many years of product testing, the company knows that the average life of a battery is normally distributed, with a mean of 45 months and a standard deviation of 7 months. If the company does not want to make refunds for ...
September 29, 2010

Operation ManagementCustomers arrive at service window every 3.6 minutes(exponentially distributed) and service time is 2.4 minutes )exponentially distributes) What is the average lenght of waiting line and waiting time?
June 15, 2010

chemistryWhat is the specific heat of a substance if it takes 250 J of heat energy to raise the temperature of a 20 g sample from 20 degrees celsius to 45 degrees celcius?
May 31, 2010

algebra 1 An equation is not a function if even one x value produces ____ corresponding y value(s). a. one b. less than one c. more than one d. zero for a Is it A?
May 18, 2010

Health/SCI3021. Compare and contrast how different electrolytessodium, potassium, and chloridefunction in the body. 2. What effects might alcohol and caffeine have on hydration levels in the body?
May 2, 2010

medical recordsMrs. Fleet has informed you that Gulf View Associates and Sarasota Outpatient Clinic are considering the possibility of upgrading to electronic medical records
March 17, 2010

dulaney hiwhat is the maxium mass of chlorine that could be released in the stratosphere by 100g of ech compound
March 14, 2010

PHYSICS Hans uses a wheelchair. Although he has a rampto in his house, he finds it difficult to get his wheelchair up the ramp. Whcih modification would make it easier for Hans to get in his house? a. increase the length of the ramp b. increase the friction between the wheels and the...
February 26, 2010

physicsHans uses a wheelchair. Although he has a rampto in his house, he finds it difficult to get his wheelchair up the ramp. Whcih modification would make it easier for Hans to get in his house? a. increase the length of the ramp b. increase the friction between the wheels and the ...
February 26, 2010

general biologtWater freezes in the crack in this boulder and expands. Over time pieces of the boulder will break off. What type of wathering effects is this an example of? a. wedging b. hydration c. carbonation d. reduced pressure
February 23, 2010

physics2 waves are traveling through a container of nitrogen gas. Amplitude of the first wave is 0.3 cm, and the second 0.9 cm. What is true about the two waves? a. the energy of thee first wave is less than the second b. energy of the first wave is greater c. speed of the first wave...
February 23, 2010

Language ArtsAnalogy help for my daughter please... Wouldn't is to coulnd't as green is to what??? The answer must start with scr, spr, str, or thr. Thank you
February 14, 2010

ScienceYes, human should preseve samples of biomes because this will help them to preerve the sample of the soil, plants and animals and how the climate were. they shouuld be concerned with the extension rate because if the extension starts it will go very fast, human depend on ...
February 2, 2010

EconomicsWhen comparing firms within a industry, economists often use the productivity as a measure. Discuss the differences and properties of various productivity measures such as average productivity, marginal productivity, and etc. Give some real-world examples of these productivity...
October 29, 2009

MathWhat similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance in which a linear equation is not a function? Support your answer. Create an equation of a nonlinear function and ...
September 28, 2009

penn foster cateringYou're likely to encounter formal service in all of the following settings except which one? A. A gourmet restaurant B. A wedding C. A church outing D. A dinner party
April 24, 2009

presidentsBlame for the military disasters that ensuedincluding botched invasions of Canada and the burning of Washington, D.C.belong to Madison. He failed to prepare the country for hostilities, tolerated incompetent generals, and proved a weak commander in chief. These ...
December 15, 2008

EnglishI have been a carpenter for five years. Is this Future continuous or Present perfect continuous. have been is a current and in this case ongoing state. So while it is present it is also continuous.
December 5, 2008

AlgebraSolve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12
December 1, 2008

englishWaht is the proper pronoun for this sentence? Only a panther could have left that footprint, I want to photograph it.
November 4, 2008

adult educationHow do a write this sentence so it is parallel. Every town and city needs more parking space and places where people can recreate, and to have more money from taxes to pay for these things.
October 27, 2008

american governmentWas there enough evidence prior to the arrest? Did you inform the suspect of his lawful rights while placing him under arrest? Did you have the right to search for the evidence?
October 27, 2008

accounting-installment sales journal entryQuestion: On 12/31/07, Company A sold equipment for $1,800,000. The equipment had a carrying amount of $1,200,000. At the time of the sale the buyer paid $300,000 cash and signed a $1,500,000 note bearing interest of $1,500,000 note bearing interest at 10% payable in five ...
October 24, 2008

algebraIn 2006, 74.2 million tax returns were filed electronically. This represents 108.8% increase over the year 2005. How many income tax returns were filed electronically in 2005? Round to the nearest tenth of a million.
August 27, 2008

Simplfing Fractions Three problems I need to know if I am correct or not if not I will place how I got the answer and maybe some one can show me where I messing up aT Simplify 1+2/3 over top 2+1/2 My answer was 2/3 to me it does not seem right If I am wrong please let me know i will put all the ...
June 1, 2007

ScienceWhy does salt water boil faster than plain water? You better read the following site: http://www.newton.dep.anl.gov/askasci/gen01/gen01021.htm
May 22, 2007

Environmental ScienceA local reporter has called you for help with an article on population growth in developing countries. He begins the article with the fact that over a billion people in developing nations live in households that have too little land to meet even their own needs for food and ...
April 20, 2007

General chem labThis involves Enthalpy of Neutralization: A student determined the calorimeter constant of the calorimeter. Using a plotted line. The student added 50ml of cold water to 50 ml of heated water in a Styrofoam cup. The initial temperature of the cold water was 21 degree C, the ...
March 24, 2007

ChemistryOk, in this question, the drops is throwing me off totally, can someone help! A nationally known company markets a product called "cleaning vinegar" that is not designed for human consumption. What is the mass percent of acetic acid in this product if 25 drops of ....
March 4, 2007

Gen. Chemistry labTrying to find mass percent of acetic acid in 25 drops of .683M NaOH solution are required to neutralize 10 drops of cleaning vinegar. Assume that the density of the cleaning vinegar is the same as the density of regular vinegar which is 1.05 g ml-1 You need to clean up the ...
March 3, 2007

algebraFind the zeroes of each function. State the multiplicity of multiple zeroes. y=(x+3)^3 y=x(x-1)^3 I know you're supposed to factor them out, but I'm really not sure how to. Thanks. The equations are already factored out. For the first one, y is zero at x=3 only. For ...
December 14, 2006

algebra1/McDougal LittellIs this problem correct?I'm trying to solve the equation. 8xt7=4x-5 x=2 I dont understand what you mean by 8xt7. Do you mean 8x+7? Is this problem correct? 8x+7=4x-5 x=2 nope the answer id -3....if u plug in 2 it would be 23=3...they dont equal to each other.... graph the ...
November 12, 2006

Physical ScienceWhat is the mass, and volume of hte element Nickel? Do you have a thimble full or a cup of it or a car loaded with it? Both the mass and the volume depend upon how much you have. Do you have a thimble full or a cup of it or a car loaded with it? Both the mass and the volume ...
October 19, 2006

environmental scienceI have to make a presentation and show three alternative mathods for maximizing food production for Cambodia I feel that Agricultural and livestock practices, production and marketing are very poor in the majority of the communities in Cambodia. Solution: Work with farmers ...
September 28, 2006

environmental sciencewhat causes salinization? Poor drainage, semi-arid or arid region of the world, water table 2-3 meters from the surface are some of the reasons. You can go to www.google.com and type in salinization. There are a number of articles there worth reading. need an example to ...
September 15, 2006

Dangling ModifiersCould some one check and see ifi got these right If your baby does not like cold apple juice, it should be heated. 1. If your baby does not like cold apple juice, you should heat it. When they are fresh, eating oranges can often keep away the cold virus. 2.Eating fresh Oranges...
August 30, 2006

Punctuation within Sentences—ParenthesesPunctuation within Sentences Parentheses 1.The police officer checked her rear-view mirror when (she heard the screeching tires. Someone had rear-ended her the night before). The police officer checked her rear-view mirror when she heard the screeching tires. (Someone had rear...
August 24, 2006

english checkCan some one please check and see if rewrote this sentences correct. Punctuation within SentencesColon 1. The book had some nice features, such as a hard-bound cover, a ribbon for a bookmark and the authors signature. 2. German grammar is simple: in that language, ...
August 21, 2006

orientalism of muslim and arab americanIf i am reading and understanding this the characteristic of the orientalism is the behavior, habit, tradition of the people in the east. but the way the scholar took it and wrote about the people was not more if there own imagination of how they conceived the information ...
August 8, 2006

orientalism of muslim and arab americanWhat are some characteristics orientalism and how it has became discrimination toward Muslim and Arab Americans? my understanding Orientalism is view of people and history of the orient with no recognition of change over time. Can some one explain to me what i am looking for i...
August 6, 2006